Baseball cap with decorative underbill



FIG. 1 is a perspective view of a baseball cap with decorative underbill turned upward showing my new design;

FIG. 2 is a top plan view of the baseball cap with decorative underbill;

FIG. 3 is a bottom plan view thereof showing my new design;

FIG. 4 is a front elevation view of the baseball cap with decorative underbill;

FIG. 5 is a side elevation view of one side of the baseball cap with decorative underbill, the other side being the mirror image thereof; and,

FIG. 6 is a rear elevation view of the baseball cap with decorative underbill showing a portion of my new design.

The baseball cap parts shown in broken lines in FIGS. 1-6 are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a baseball cap with decorative underbill, as shown and described. 